Robust 8-ch Thermocouple Input Module with Modbus
  • 8 differential & independent thermocouple configuration channels
  • Broader Operating Temperature Range
  • Higher Noise Immunity: 1 kV surge protection on power inputs, 3 kV EFT, and 8 kV ESD protection
  • Broader Power Input Range: +10~+48 VDC
  • Supports filter auto-tuning or filter out 50 Hz / 60 Hz
  • LED display allows to monitor the status address settings
  • Online Firmware Update
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The ADAM-4100 series modules are compact, versatile sensor-to-computer interface units designed for reliable operation in harsh environments. Their built-in microprocessors, encased in rugged industrial-grade ABS plastic, independently provide intelligent signal conditioning, analog I/O, digital I/O, LED data display, and an address mode with a user-friendly design for convenient address reading.



Display LED Indicators Status, Comm, and Ch. enable
Power Supply Power Requirement 10~48 VDC
Analog Input Channels 8 differential
Voltage Range 15 mV ±50 mV ±100 mV ±500 mV ±1 V ±2.5 V
Current Input ±20 mA 4~20 mA
Direct Sensor Input J, K, T, E, R, S, B Thermocouple
Burn-out Detection Yes (4~20 mA & all T/C)
Channel Independent Configuration Yes
Sampling Rates 10/100 samples/second (total)
Resolution 16-bit
Input Impedance Voltage: 20 MOhm Current: 120 Ohm
Span Drift ±25 ppm/°C
Zero Drift ±6 µV/°C
CMR @ 50/60 Hz 92 dB
NMR @ 50/60 Hz 60 dB
High Common Mode 200 VDC
General Watchdog Timer System (1.6 second) & Communication
Connector 2 x plug-in terminal block (#14~22 AWG)
Temperature (Operating) -40~85°C (40~185 °F)
Humidity 5~95 %RH
Temperature (Storage) -40~85°C (40~185 °F)
Interface RS-485
Isolation Protection 3000 VDC
Communication Protocol ASCII command & Modbus/RTU
Communication Speed Serial: From 1,200 to 115.2 k
Comm. Distance Serial: 1.2 km
Data Flow Control Yes